EP3635291B1 - Textile électroluminescent à fibres optiques - Google Patents

Textile électroluminescent à fibres optiques Download PDF

Info

Publication number
EP3635291B1
EP3635291B1 EP18770128.9A EP18770128A EP3635291B1 EP 3635291 B1 EP3635291 B1 EP 3635291B1 EP 18770128 A EP18770128 A EP 18770128A EP 3635291 B1 EP3635291 B1 EP 3635291B1
Authority
EP
European Patent Office
Prior art keywords
light
optical device
emitting
individually controllable
optical fibers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18770128.9A
Other languages
German (de)
English (en)
Other versions
EP3635291A1 (fr
Inventor
James David Holbery
Siyuan Ma
Kelly Marie BOGAN
Benjamin Sullivan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microsoft Technology Licensing LLC
Original Assignee
Microsoft Technology Licensing LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Microsoft Technology Licensing LLC filed Critical Microsoft Technology Licensing LLC
Publication of EP3635291A1 publication Critical patent/EP3635291A1/fr
Application granted granted Critical
Publication of EP3635291B1 publication Critical patent/EP3635291B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D27/00—Details of garments or of their making
    • A41D27/08—Trimmings; Ornaments
    • A41D27/085—Luminous ornaments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0004—Personal or domestic articles
    • F21V33/0008—Clothing or clothing accessories, e.g. scarfs, gloves or belts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • a device may utilize a plurality of individually controllable light sources, such as light-emitting diodes (LEDs), to display a message or image.
  • LEDs light-emitting diodes
  • WO 2012/060524 discloses a control system for smart clothing having an optical fiber fabric display and a method for controlling the same which is linked with a smartphone.
  • EP 0 359 450 discloses light emitting panel assemblies and method of making the light emitting panel assemblies which include one or more layers of woven fiber optic material having disruptions or bends at discrete locations along the length of the fibers to allow light to be emitted therefrom.
  • Examples are disclosed that relate to using optical fibers in a textile to channel light from a light source to various light-emitting locations across the textile.
  • the claimed invention relates to an optical device comprising a light source, an optical fiber extending from the light source, the optical fiber configured to conduct light received from the light source via internal reflection, and a plurality of individually controllable light-emitting locations disposed along the optical fiber.
  • optical fibers in a textile may allow light patterns to be emitted in a controllable manner with relatively high pixel density.
  • various methods may be used to provide control over light emission from each individual light-emitting location, thereby allowing control over a light pattern emitted by the overall device.
  • FIG. 1 shows an example light-emitting device 100 in the form of a wearable clothing item 101 incorporating one or more optical fibers to illuminate a light pattern 102.
  • a controller 104 capable of controlling light patterns emitted by the light-emitting device 100 may be mounted on the wearable clothing item 101, or may be incorporated in another article, such as a belt 106, that communicates via a wired or wireless connection with circuitry on the wearable clothing item 101 to control the light sources and/or individually indexed light-emitting locations.
  • One or more light sources for introducing light into the optical fiber(s) is provided on the wearable clothing item 101.
  • Such light sources may take any suitable form, such as packaged light emitting diodes (LEDs), organic light emitting devices (OLEDs), or unpackaged micro-LEDs. Unpackaged micro-LEDs may have a smaller size than packaged LEDs, and thus may be less noticeable to a wearer. Further, any other suitable components may be located on the wearable clothing item 101 and/or other wearable or portable item(s) in communication with the wearable clothing item 101. Examples include, but are not limited to, batteries, optical components, and user input devices.
  • FIG. 2 shows another example light-emitting device 200 in the form of a banner that incorporates one or more optical fibers as disclosed herein to provide for a controllable light pattern 202.
  • Magnified view 204 illustrates a portion of a matrix of pixels provided by the optical fibers, with selected pixels controlled to emit light to form the depicted portion of the light pattern 202. Pixels is selectively controlled to emit or block light via a controller 206, allowing the illumination of desired light patterns, characters, words, images, icons, etc. While depicted herein as an article of clothing and a banner, it will be understood that any other suitable items may utilize optical fiber light emitters as disclosed herein, such as other clothing items (e.g. costumes, high visibility safety clothing), soft electronics (e.g. fabric covered computers), upholstered furniture, parts (e.g. seats, carpets, and/or other textile-containing parts) for automobiles, airplanes and other vehicles, and floor coverings.
  • other clothing items e.g. costumes, high visibility safety clothing
  • soft electronics
  • FIG. 3A schematically shows an example optical fiber 300 comprising individually controllable light-emitting locations that may be incorporated into a textile or other flexible article, such as a polymer sheet-based article.
  • One or more of such optical fibers may be incorporated into a textile or other flexible article in any suitable manner, such as by weaving, knitting, embroidery, adhesion, and/or lamination (e.g. between the textile and a thermoplastic adhesive layer).
  • the optical fiber 300 may include a core 302 and an outer coating 304.
  • the outer coating 304 may comprise a material having a different refractive index than the core material.
  • Light from a light source 306 may be introduced at one end of the optical fiber 300, and propagate through the optical fiber 300 via total internal reflection (TIR).
  • TIR total internal reflection
  • the light source 306 may take the form of a bare micro-LED die, a packaged LED, OLED, or a laser, as examples, and may be configured to emit any desired wavelength or wavelengths of light.
  • the light source 306 may include a color converter, such as a population of quantum dots of selected sizes, configured to absorb light of one wavelength from the light source 306 (e.g. blue light) and emit light of other colors (e.g. green and red light).
  • the light source may emit light in the infrared range.
  • FIG. 3A also shows example individually controllable light-emitting locations as locations 308, 310, 312, 314, and 316.
  • the optical fiber 300 includes any suitable structure(s) for permitting control of light emissions from the optical fiber 300.
  • an outer coating 304 such as a cladding, may be provided on the optical fiber 300 to set a desired critical angle for TIR, and the outer coating 304 may be varied at the light-emitting locations 308-316 to change the critical angle for TIR at those locations.
  • the outer coating 304 may be absent at the light-emitting locations 308-316, may be absent from locations other than the light-emitting locations 308-316, or may be formed from a different material having a different refractive index at the light-emitting locations 308-316 than at other locations.
  • reflective or refractive features may be formed in the optical fiber 300 at the light-emitting locations 308-316 to redirect light out of the optical fiber 300.
  • a plurality of bump-shaped or prism-shaped features may be formed in the optical fiber 300 at the light-emitting locations to disrupt total internal reflection at those locations, as described in further detail with regard to FIG.
  • a density of such features may increase as a function of distance of a light-emitting location from a light source to help maintain a relatively consistent light emission brightness along a length of an optical fiber.
  • the outer coating 304 may be reflective or absorptive along its length, with windows formed in the outer coating 304 at the light emitting locations 308-316 through which light can escape.
  • the optical fiber 300 includes any suitable structure to provide for the individual control of the light-emitting locations 308-316.
  • an optical fiber may include an electrochromic structure disposed over each of the light-emitting locations, and conductive traces to allow for the control of an opacity of the electrochromic material.
  • Any suitable electrochromic technology may be used. Examples include, but are not limited to, tungsten oxide-based, polyanaline-based, and polyoxotungstate-based electrochromic structures.
  • the electrochromic structures may be formed in any suitable manner.
  • a length of the optical fiber 300 may be coated with the various layers that form an electrochromic structure, which then may be patterned to form individually controllable electrochromic locations over the light-emitting locations.
  • masking techniques may be used to mask portions of the optical fiber 300 while depositing the layers of the electrochromic structure.
  • FIG. 4 shows a schematic depiction of an example optical fiber 400 coated with layers forming an electrochromic structure 402 over a light-emitting location 404. Thicknesses of the layers are exaggerated for clarity.
  • the depicted layers include a first transparent conductive electrode 406 (for example, indium tin oxide) formed on the optical fiber 400, an ion storage layer 408 (e.g. nickel oxide (NiO)) formed on the first electrode 406, an ionic conductor (electrolyte) layer 410 (e.g. Ta 2 O 5 or ZrO 2 ) formed on the ion storage layer 408, an electrochromic layer 412 (e.g.
  • WO 3 WO 3
  • a second transparent electrode 414 e.g. indium tin oxide
  • the first electrode is shown as a signal electrode (S)
  • the second electrode is a ground electrode.
  • Each of the depicted layers may be formed on the optical fiber 400 using techniques similar to those used to deposit such layers on flat substrates. Further, as mentioned above, either masking during deposition or etching after deposition may be used to form individually controllable electrochromic segments.
  • electrical connections 416 may be made to the first and second electrode layers by forming metal traces along the optical fiber 400 prior to incorporating the optical fiber into the textile, or by printing a conductive ink onto the textile or other flexible article after incorporating the optical fiber 400 into the article.
  • areas of the optical fiber 400 between the individually controllable light emitting locations may be covered with an opaque material 418 to prevent light from leaking out of the optical fiber 400 between the light-emitting locations.
  • an opaque coating may be applied either over or beneath the electrochromic structure 402.
  • the opaque material 418 may have a same color as, or a complementary color to, other fibers in a textile item, such that the coated optical fiber contributes to the aesthetic design of the article in which it is incorporated.
  • FIG. 3A further illustrates a plurality of conductive traces 318 configured to provide control signals from an external controller 320 to electrodes at each light-emitting location.
  • Additional conductive traces may be located around the optical fiber 300 that connect to additional light-emitting locations along the optical fiber 300. As one example, 10-20 light-emitting locations may be located per optical fiber. Such an optical fiber may have a length of 10 to 50 centimeters for some wearable applications in some examples.
  • the conductive traces 318 may be formed on the optical fiber in any suitable manner. As examples, the conductive traces 318 may be printed onto the optical fiber 300 with a conductive material, such as a paste or ink formed from silver, a carbon or carbon-based material (e.g.
  • a conductive polymer e.g. polypyrrole or poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS)
  • metallic conductors may be deposited in a pattern by physical vapor deposition, plating, or other suitable methods. Suitable masking and/or etching steps may be used to create a desired pattern of conductive traces in such examples.
  • a protective electrically insulating layer e.g. polypropylene
  • the controller 320 may be mounted on the textile or other flexible article in which optical fiber 300 is incorporated, or may be remotely located from the article. As shown in the example of FIG. 1 , for a wearable clothing item such as a shirt, the controller 320 may be mounted on another wearable article such as a belt, and the controller 320 may connect to a communications device on the textile material, wirelessly or via a wired connection, to control the emission of light from the optical fiber 300. Each of the light-emitting locations 308-316 also may include an electrode connected to a common ground 322.
  • FIG. 3B schematically shows an example state of the optical fiber 300 of FIG. 3A with different voltages applied to different light-emitting locations to vary the light output from the light-emitting locations.
  • a first, higher voltage may be provided to light-emitting locations 308, 312, and 316 such that the electrochromic layer is opaque and blocks light
  • a second, lower voltage (or alternatively no voltage) may be provided to light-emitting locations 310 and 314 such that the electrochromic layer is transparent and light is emitted.
  • FIGS. 3A and 3B are not to scale, and that the various components are depicted for illustrative purposes.
  • each light-emitting location 308-316 may comprise a wavelength selective filter (e.g. a multilayer dielectric filter) configured to pass a selected wavelength range of light, thereby acting as a narrow bandpass filter.
  • a wavelength selective filter e.g. a multilayer dielectric filter
  • conductive traces for individual control of each light-emitting location may be omitted.
  • the wavelength range of light that is input into the optical fiber 300 may be modulated via the controller 320 (e.g. by controlling a light source, such as a micro-LED die, used to input light into the optical fiber 300) to cause light to be emitted at selected locations.
  • an angle-selective filter may be used, such as a surface relief grating, a volume hologram, or other suitable diffractive element.
  • an angle at which light is input into the optical fiber may be varied (e.g. by a mechanically scanning mirror such as a MEMS mirror, or by illuminating different light sources at different angles to an optical input of the optical fiber) to control the locations from which light is emitted.
  • Such wavelength-selective and angle-selective filters may be configured such that a predetermined pattern of light may be emitted based upon a particular wavelength range of light input to the optical fiber 300.
  • FIG. 5 shows a schematic depiction of an example optical fiber 500 having light redirecting features 502 and 504 to redirect light toward corresponding light-emitting locations 506 and 508.
  • the depicted light redirecting features 502 and 504 are formed in the optical fiber in an opposite side of the optical fiber 500 from the light-emitting locations 506 and 508 to reflectively and/or refractively direct light toward the light-emitting locations, as shown schematically by example light path arrows.
  • diffractive redirective elements e.g.
  • surface relief gratings or other type of grating may be used. As described above, various methods may be used to control whether the redirected light is emitted or blocked from emission. Further, in other examples, redirecting features may be formed in a same side of the optical fiber as the light-emitting locations.
  • conductive traces may be formed on a textile material incorporating the optical fiber, such as by printing an electrically conductive ink onto the textile at locations to connect with the electrodes in an electrochromic segment.
  • FIG. 6 schematically shows an example textile material 600 having conductive traces 602 configured to provide control signals to a plurality of light-emitting locations in optical fibers 604, 606, and 608 incorporated into the textile material 600.
  • the traces may be covered with a protective layer, such as a laminated thermoplastic layer, for protection.
  • a protective layer may first be applied to the fabric, then the conductive traces applied onto the protective layer, and then another protective layer may be applied over the traces to fully encapsulate the traces.
  • the optical fibers may be coupled with the textile material 600 in any manner.
  • the optical fibers 604, 606, and 608 may be interwoven with textile fibers, embroidered onto the textile, or laminated or adhered to the textile.
  • the optical fibers 604, 606, and 608 may be included in the textile material 600 in any suitable locations and/or density.
  • the conductive traces 602 may be located on an underside of the textile material 600 (e.g. an inside surface of an article of clothing) rather than a front side of the textile material 600 to make the traces less visible, while in other examples the traces may be disposed on an outside of the textile material as a design element.
  • a controller 610 may be coupled with the textile to provide control signals via the conductive traces 602 to control an opacity of an electrochromic structure at each of a plurality of light-emitting locations along each of the optical fibers 604, 606, and 608.
  • the electrochromic structure at each light-emitting location may be connected to a common ground, as shown at 612, 614, and 616.
  • a light source provides light to each optical fiber, such as light source 618 shown for optical fiber 608.
  • the optical fibers and light-emitting locations in a textile material may be arranged in such a manner such that resulting pixel density is approximately 0.5 mm between pixels.
  • the optical fiber and textile may be configured such that the pixel density is either higher or lower.
  • the optical fibers may be configured to be sufficiently flexible, waterproof, and/or resistant to soaps, detergents, and elevated temperatures to resist damage from such conditions for a desired product lifetime.
  • the optical fiber structure alone is not sufficiently resistant to such conditions, the optical fiber structures and/or the entire textile or other article in which the fibers are incorporated may be treated with a protective layer, such as damage-resistant electrically insulating polymer outer layer.
  • the optical fibers may be incorporated within a fabric or other substrate at locations less likely to encounter abrasive, rough conditions. In yet other examples, any other suitable protective measures may be taken.
  • the methods and processes described herein may be tied to a computing system of one or more computing devices.
  • such methods and processes may be implemented as a computer-application program or service, an application-programming interface (API), a library, and/or other computer-program product.
  • API application-programming interface
  • FIG. 7 schematically shows a non-limiting embodiment of a computing system 700 that can enact one or more of the methods and processes described above.
  • Computing system 700 is shown in simplified form.
  • Computing system 700 may take the form of one or more personal computers, server computers, tablet computers, homeentertainment computers, network computing devices, gaming devices, mobile computing devices, mobile communication devices (e.g., smart phone), and/or other computing devices.
  • Controller 104, controller 206, controller 320 and controller 610 are examples of computing system 700.
  • Computing system 700 includes a logic subsystem 702 and a storage subsystem 704.
  • Computing system 700 may optionally include a display subsystem 706, input subsystem 708, communication subsystem 710, and/or other components not shown in FIG. 7 .
  • Logic subsystem 702 includes one or more physical devices configured to execute instructions.
  • the logic subsystem 702 may be configured to execute instructions that are part of one or more applications, services, programs, routines, libraries, objects, components, data structures, or other logical constructs. Such instructions may be implemented to perform a task, implement a data type, transform the state of one or more components, achieve a technical effect, or otherwise arrive at a desired result.
  • the logic subsystem 702 may include one or more processors configured to execute software instructions. Additionally or alternatively, the logic subsystem 702 may include one or more hardware or firmware logic machines configured to execute hardware or firmware instructions. Processors of the logic subsystem 702 may be single-core or multicore, and the instructions executed thereon may be configured for sequential, parallel, and/or distributed processing. Individual components of the logic subsystem 702 optionally may be distributed among two or more separate devices, which may be remotely located and/or configured for coordinated processing. Aspects of the logic subsystem 702 may be virtualized and executed by remotely accessible, networked computing devices configured in a cloud-computing configuration.
  • Storage subsystem 704 includes one or more physical devices configured to hold instructions executable by the logic machine to implement the methods and processes described herein. When such methods and processes are implemented, the state of storage subsystem 704 may be transformed-e.g., to hold different data.
  • Storage subsystem 704 may include removable and/or built-in devices.
  • Storage subsystem 704 may include optical memory (e.g., CD, DVD, HD-DVD, Blu-Ray Disc, etc.), semiconductor memory (e.g., RAM, EPROM, EEPROM, etc.), and/or magnetic memory (e.g., hard-disk drive, floppy-disk drive, tape drive, MRAM, etc.), among others.
  • Storage subsystem 704 may include volatile, nonvolatile, dynamic, static, read/write, readonly, random-access, sequential-access, location-addressable, file-addressable, and/or content-addressable devices.
  • storage subsystem 704 includes one or more physical devices.
  • aspects of the instructions described herein alternatively may be propagated by a communication medium (e.g., an electromagnetic signal, an optical signal, etc.) that is not held by a physical device for a finite duration.
  • a communication medium e.g., an electromagnetic signal, an optical signal, etc.
  • logic subsystem 702 and storage subsystem 704 may be integrated together into one or more hardware-logic components.
  • Such hardware-logic components may include field-programmable gate arrays (FPGAs), program- and application-specific integrated circuits (PASIC / ASICs), program- and application-specific standard products (PSSP / ASSPs), system-on-a-chip (SOC), and complex programmable logic devices (CPLDs), for example.
  • FPGAs field-programmable gate arrays
  • PASIC / ASICs program- and application-specific integrated circuits
  • PSSP / ASSPs program- and application-specific standard products
  • SOC system-on-a-chip
  • CPLDs complex programmable logic devices
  • display subsystem 706 may be used to present a visual representation of data held by storage subsystem 704.
  • This visual representation may take the form of a graphical user interface (GUI).
  • GUI graphical user interface
  • the state of display subsystem 706 may likewise be transformed to visually represent changes in the underlying data.
  • Display subsystem 706 may include one or more display devices utilizing virtually any type of technology. Such display devices may be combined with logic subsystem 702 and/or storage subsystem 706 in a shared enclosure, or such display devices may be peripheral display devices.
  • input subsystem 708 may comprise or interface with one or more user-input devices such as a keyboard, mouse, touch screen, or game controller.
  • the input subsystem may comprise or interface with selected natural user input (NUI) componentry.
  • NUI natural user input
  • Such componentry may be integrated or peripheral, and the transduction and/or processing of input actions may be handled on- or off-board.
  • NUI componentry may include a microphone for speech and/or voice recognition; an infrared, color, stereoscopic, and/or depth camera for machine vision and/or gesture recognition; a head tracker, eye tracker, accelerometer, and/or gyroscope for motion detection and/or intent recognition; as well as electric-field sensing componentry for assessing brain activity.
  • communication subsystem 710 may be configured to communicatively couple computing system 700 with one or more other computing devices.
  • Communication subsystem 710 may include wired and/or wireless communication devices compatible with one or more different communication protocols.
  • the communication subsystem may be configured for communication via a wireless telephone network, or a wired or wireless local- or wide-area network.
  • the communication subsystem may allow computing system 700 to send and/or receive messages to and/or from other devices via a network such as the Internet.
  • an optical device comprising a light source, an optical fiber extending from the light source, the optical fiber configured to conduct light received from the light source via internal reflection, and a plurality of individually controllable light-emitting locations disposed along the optical fiber.
  • Each individually controllable light-emitting location may additionally or alternatively include an electrochromic material.
  • the optical device may additionally or alternatively include conductive traces configured to provide current to each individually controllable light-emitting location, and a common ground connected to each individually controllable light-emitting location.
  • the conductive traces may additionally or alternatively be formed on the optical fiber.
  • the optical device may additionally or alternatively be incorporated into a textile article, and wherein the conductive traces are formed on the textile article.
  • Each individually controllable light-emitting location may additionally or alternatively include a wavelength selective filter configured to pass a selected wavelength range of light.
  • the optical fiber may additionally or alternatively include a cladding configured to cause the optical fiber to selectively emit light at the individually controllable light-emitting locations.
  • Each individually controllable light-emitting location may additionally or alternatively include an opening formed in a coating surrounding the optical fiber.
  • the optical fiber may additionally or alternatively include a reflective, refractive, and/or diffractive feature configured to cause the optical fiber to selectively emit light at the individually controllable light-emitting locations.
  • the optical device may additionally or alternatively be incorporated into a flexible article comprising a flexible polymer sheet.
  • the optical device may additionally or alternatively be incorporated into a textile article.
  • a textile article comprising a textile material, a light source, an optical fiber extending from the light source along the textile material and configured to conduct light received from the light source via internal reflection, and a plurality of individually controllable light-emitting locations disposed along the optical fiber.
  • Each individually controllable light-emitting location may additionally or alternatively include an electrochromic material.
  • Each individually controllable light-emitting location may additionally or alternatively include a wavelength selective filter configured to pass a selected wavelength range of light.
  • the textile article may additionally or alternatively include a controller mounted to the textile material and configured to control emission of light from the individually controllable light-emitting locations.
  • the textile article may additionally or alternatively include a communications device configured to communicate with a remotely located controller to control emission of light from the individually controllable light-emitting locations.
  • a textile article comprising a textile material, a light source supported on the textile material, an optical fiber extending from the light source along the textile material configured to conduct light received from the light source via internal reflection, a plurality of individually controllable light-emitting locations disposed along the optical fiber, and a plurality of conductive traces printed onto the textile material and configured to provide control signals to the individually controllable light-emitting locations.
  • Each individually controllable light-emitting location may additionally or alternatively include an electrochromic material.
  • Each individually controllable light-emitting location may additionally or alternatively include a wavelength selective filter configured to filter a selected wavelength range of light.
  • the plurality of conductive traces may additionally or alternatively include a common ground connected to each individually controllable light-emitting location.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Textile Engineering (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Claims (15)

  1. Dispositif optique (100, 200) comprenant :
    un dispositif de commande (104, 206, 320, 610) ;
    une source de lumière (306) ;
    une ou plusieurs fibres optiques (300, 400) s'étendant depuis la source de lumière, les une ou plusieurs fibres optiques configurées pour conduire de la lumière reçue par la source de lumière via réflexion interne ; et
    au moins une des une ou plusieurs fibres optiques ayant une pluralité d'emplacements d'émission de lumière commandables individuellement (308, 310, 312, 314, 316 ; 404 ; 506, 508) disposés le long de la au moins une des une ou plusieurs fibres optiques,
    dans lequel la au moins une des une ou plusieurs fibres optiques est configurée pour fournir une commande sur l'émission de lumière depuis chaque emplacement d'émission de lumière individuel via le dispositif de commande (104, 206, 320, 610).
  2. Dispositif optique selon la revendication 1, dans lequel chaque emplacement d'émission de lumière commandable individuellement comprend un matériau électrochromique.
  3. Dispositif optique selon la revendication 2, comprenant en outre des pistes conductrices configurées pour fournir un courant à chaque emplacement d'émission de lumière commandable individuellement, et une masse commune reliée à chaque emplacement d'émission de lumière commandable individuellement.
  4. Dispositif optique selon la revendication 3, dans lequel les pistes conductrices sont formées sur la au moins une des une ou plusieurs fibres optiques.
  5. Dispositif optique selon la revendication 3, dans lequel le dispositif optique est incorporé dans un article textile, et dans lequel les pistes conductrices sont formées sur l'article textile.
  6. Dispositif optique selon la revendication 1, dans lequel chaque emplacement d'émission de lumière commandable individuellement comprend un filtre sélectif de longueur d'onde configuré pour passer une plage de lumière de longueur d'onde sélectionnée.
  7. Dispositif optique selon les revendications 1 à 6, dans lequel les une ou plusieurs fibres optiques comprennent un gainage configuré pour amener les une ou plusieurs fibres optiques à émettre sélectivement de la lumière aux emplacements d'émission de lumière commandables individuellement.
  8. Dispositif optique selon les revendications 1 à 7, dans lequel chaque emplacement d'émission de lumière commandable individuellement comprend une ouverture formée dans un revêtement entourant les une ou plusieurs fibres optiques.
  9. Dispositif optique selon les revendications 1 à 8, dans lequel les une ou plusieurs fibres optiques comprennent un élément réfléchissant, réfractif et/ou diffractif configuré pour amener les une ou plusieurs fibres optiques à émettre sélectivement de la lumière aux emplacements d'émission de lumière commandables individuellement.
  10. Dispositif optique selon les revendications 1 à 9, dans lequel le dispositif optique est incorporé dans un article flexible comprenant une feuille polymère flexible.
  11. Dispositif optique selon les revendications 1 à 9, dans lequel le dispositif optique est incorporé dans un article textile.
  12. Dispositif optique selon les revendications 1 à 11, dans lequel le dispositif de commande est monté sur l'article flexible et configuré pour commander l'émission de lumière depuis les emplacements d'émission de lumière commandables individuellement.
  13. Dispositif optique selon les revendications 1 à 11, dans lequel le dispositif de commande est situé à distance, et le dispositif optique comprenant un dispositif de communication configuré pour communiquer avec le dispositif de commande situé à distance pour commander l'émission de lumière depuis les emplacements d'émission de lumière commandables individuellement.
  14. Dispositif optique selon la revendication 1, comprenant un filtre à angle sélectif pour commander les emplacements d'émission de lumière desquels de la lumière est émise.
  15. Dispositif optique selon les revendications 1 à 14, dans lequel les une ou plusieurs fibres optiques fournissent une matrice de pixels, dans lequel chacun des pixels est commandé sélectivement pour émettre ou bloquer de la lumière via le dispositif de commande.
EP18770128.9A 2017-06-08 2018-05-23 Textile électroluminescent à fibres optiques Active EP3635291B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/618,079 US10690829B2 (en) 2017-06-08 2017-06-08 Light-emitting textile with optical fibers
PCT/US2018/034016 WO2018226403A1 (fr) 2017-06-08 2018-05-23 Textile électroluminescent à fibres optiques

Publications (2)

Publication Number Publication Date
EP3635291A1 EP3635291A1 (fr) 2020-04-15
EP3635291B1 true EP3635291B1 (fr) 2022-09-14

Family

ID=63592807

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18770128.9A Active EP3635291B1 (fr) 2017-06-08 2018-05-23 Textile électroluminescent à fibres optiques

Country Status (3)

Country Link
US (1) US10690829B2 (fr)
EP (1) EP3635291B1 (fr)
WO (1) WO2018226403A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10690829B2 (en) * 2017-06-08 2020-06-23 Microsoft Technology Licensing, Llc Light-emitting textile with optical fibers
FR3097935B1 (fr) * 2019-06-25 2021-12-10 Valeo Vision Dispositif d’éclairage et/ou de signalisation
KR20210034328A (ko) * 2019-09-20 2021-03-30 한국전자통신연구원 광 변조기
US11103722B1 (en) 2020-05-19 2021-08-31 Biothread Llc Light therapy wearable
US11130000B1 (en) * 2020-05-19 2021-09-28 Biothread Llc Light therapy wearable
US11154722B1 (en) 2020-05-19 2021-10-26 Biothread Llc Light therapy wearable
US10933253B1 (en) 2020-05-19 2021-03-02 Biothread Llc Light therapy wearable

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160174321A1 (en) * 2013-07-22 2016-06-16 Koninklijke Philips N.V. Method and apparatus for selective illumination of an illuminated textile based on physical context
US20160338169A1 (en) * 2015-05-13 2016-11-17 Juha Rantala Led structure with quasi-continuous spectrum and method of illumination

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4907132A (en) * 1988-03-22 1990-03-06 Lumitex, Inc. Light emitting panel assemblies and method of making same
US5603648A (en) * 1995-05-19 1997-02-18 Kea; Miriam Outdoor survival garment
US6851844B2 (en) 2002-08-23 2005-02-08 The Boeing Company Fiber optic fabric with opaque coating for directional light emission
AU2003285734A1 (en) 2002-12-09 2004-06-30 Oree, Advanced Illumination Solutions Inc. Flexible optical device
US7164819B2 (en) * 2003-03-10 2007-01-16 Fiberstars, Inc. Side-light extraction by light pipe-surface alteration and light-extraction devices extending radially beyond the outer cladding
FR2859737B1 (fr) 2003-09-11 2006-08-18 Cedric Brochier Soieries Procede de fabrication d'un tissu a base de fibres optiques
CA2541246A1 (fr) 2003-10-01 2005-04-14 Board Of Regents The University Of Texas System Compositions, procedes et systemes de realisation et d'utilisation de papier electronique
TW200613785A (en) 2004-10-22 2006-05-01 Baycom Opto Electronics Technology Co Ltd Planar illuminating ornament
US7274844B2 (en) 2005-05-11 2007-09-25 University Of Zurich Empa Light-emitting textile structure, in particular for medical purposes, and use thereof
JP2009013505A (ja) 2005-10-18 2009-01-22 Tazuko Ono 発光服飾品及び発光服飾繊維並びにそれらを使用した発光服飾被服
US20080180971A1 (en) * 2007-01-26 2008-07-31 Carl Stephen Booth Illumination fiber optic ribbon
KR101142192B1 (ko) 2010-11-05 2012-05-14 주식회사 엘티전자 광섬유 직물 디스플레이를 구비한 스마트 의류 제어시스템 및 그의 스마트 폰을 연동한 제어방법
US9022631B2 (en) * 2012-06-13 2015-05-05 Innotec Corp. Flexible light pipe
US9410694B2 (en) * 2012-09-17 2016-08-09 Noxgear, Llc Illuminated vest
US9086215B2 (en) * 2013-03-15 2015-07-21 Adam Timmerberg Wireless illuminated apparel
US8919982B2 (en) 2013-05-24 2014-12-30 Gabriel Pulido, JR. Lighting system for clothing
US20150279320A1 (en) 2014-03-26 2015-10-01 Nike, Inc. Subtractive Color Change System and Method
US9807852B1 (en) * 2015-11-02 2017-10-31 Google Inc. Interactive cord with integrated light sources
EP3296626A1 (fr) 2016-09-15 2018-03-21 The Procter and Gamble Company Filament de transmission lumineuse
US10772507B2 (en) * 2017-02-01 2020-09-15 Elwha Llc Systems, devices and methods for monitoring breastfeeding
US10690829B2 (en) * 2017-06-08 2020-06-23 Microsoft Technology Licensing, Llc Light-emitting textile with optical fibers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160174321A1 (en) * 2013-07-22 2016-06-16 Koninklijke Philips N.V. Method and apparatus for selective illumination of an illuminated textile based on physical context
US20160338169A1 (en) * 2015-05-13 2016-11-17 Juha Rantala Led structure with quasi-continuous spectrum and method of illumination

Also Published As

Publication number Publication date
US20180356579A1 (en) 2018-12-13
US10690829B2 (en) 2020-06-23
WO2018226403A1 (fr) 2018-12-13
EP3635291A1 (fr) 2020-04-15

Similar Documents

Publication Publication Date Title
EP3635291B1 (fr) Textile électroluminescent à fibres optiques
US10408391B2 (en) Illuminated structure and related method of manufacture
US12103286B2 (en) Decorative functional film and electronic device rear cover module
CN103217791B (zh) 头戴式显示器
US10595618B2 (en) Electronic devices with input-output devices
JP2023154031A (ja) 埋め込み検知機能を有する多層構造体および関連製造方法
US20170261388A1 (en) Force sensor
CN203552214U (zh) 触控面板
KR20170039967A (ko) 스마트 의류, 사용자 단말, 이를 포함하는 시스템 및 스마트 의류의 디자인 변경방법
US10276326B1 (en) Illumination systems with light-emitting diodes
KR20170065576A (ko) 융제 형성 표시를 갖는 전기 광학 요소 및 이를 제조하는 방법
CN106813161B (zh) 一种发光组件及移动终端
KR20190028395A (ko) 다기능 광 장치
CN103369074B (zh) 移动终端以及设置于其上的图像模块的制造方法
US10590600B1 (en) Illumination systems within fabric-based devices
US10989868B1 (en) Fabric items with thermally imprinted light-emitting regions
KR20150027039A (ko) 정전 용량식 터치 패널 기판 및 표시 장치
KR20150114182A (ko) 전자 기기용 카바글라스의 데코레이션 필름
KR102203406B1 (ko) 전자 부품을 제작하기 위하여 사용되는 적층체, 필름 센서 및 필름 센서를 구비하는 터치 패널 장치
US11401632B2 (en) Electronic functionality in textiles
KR20110124598A (ko) 장식부에 미러 문양의 효과를 갖는 윈도우 일체형 정전용량방식 터치스크린 패널
KR102448345B1 (ko) 광전자적으로 기능하는 다층 구조물 및 관련 제조 방법
KR102224824B1 (ko) Ito 전극패턴을 포함하는 전자장치 및 그 전자장치의 제조방법
CN105719576A (zh) 电器
US20140346978A1 (en) Light Emitting Surface

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20191113

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20210527

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: MICROSOFT TECHNOLOGY LICENSING, LLC

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: MICROSOFT TECHNOLOGY LICENSING, LLC

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20220510

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602018040686

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1518905

Country of ref document: AT

Kind code of ref document: T

Effective date: 20221015

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20220914

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1518905

Country of ref document: AT

Kind code of ref document: T

Effective date: 20220914

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221215

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230116

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230114

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230430

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602018040686

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

26N No opposition filed

Effective date: 20230615

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20230531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230523

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230531

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230531

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230523

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230523

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230531

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20240419

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20240418

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20240418

Year of fee payment: 7